Power mix by fuel (Switzerland)
Plant counts by primary fuel, WRI Global Power Plant Database (CC BY 4.0).
Switzerland electricity grid — mix & carbon intensity (2025)
39gCO₂/kWh grid intensity
97.7%low-carbon electricity
67.8%renewables
2.3%fossil fuels
Source: Ember / Our World in Data (CC BY 4.0).
Largest plants in Switzerland
| # | Plant | Fuel | MW |
|---|---|---|---|
| 1 | Kernkraftwerk Leibstadt | Nuclear | 1,275 |
| 2 | Bieudron | Hydro | 1,260 |
| 3 | Kernkraftwerk Gösgen | Nuclear | 1,060 |
| 4 | Limmern | Hydro | 1,000 |
| 5 | Kernkraftwerk Beznau | Nuclear | 760 |
| 6 | Nendaz | Hydro | 392 |
| 7 | Kernkraftwerk Mühleberg | Nuclear | 390 |
| 8 | Grimsel 2 | Hydro | 388 |
| 9 | Bitsch (Biel) | Hydro | 340 |
| 10 | Biasca | Hydro | 324 |
| 11 | Fionnay (Dixence) | Hydro | 306 |
| 12 | Pradella | Hydro | 300 |
| 13 | Châtelard-Vallorcine | Hydro | 260 |
| 14 | Riddes | Hydro | 258 |
| 15 | Stalden (KWM) | Hydro | 185 |
| 16 | Sedrun 1 | Hydro | 150 |
| 17 | Biaschina | Hydro | 141 |
| 18 | Bavona | Hydro | 140 |
| 19 | Fionnay (Mauvoisin) | Hydro | 140 |
| 20 | Etzelwerk Altendorf | Hydro | 135 |
Browse by fuel
Power plants in Switzerland by region
Frequently asked questions
How many power plants are in Switzerland?
There are 169 current or operating power-plant records in Switzerland in this open dataset, with about 13,254 MW of capacity. Historical and pipeline records remain available separately.
What is the largest power plant in Switzerland?
Kernkraftwerk Leibstadt is the largest at about 1,275 MW (nuclear).
What fuels generate electricity in Switzerland?
The most common plant type in this dataset is hydro (161 plants), across 4 fuel types in total.
How clean is Switzerland's electricity grid?
Switzerland's grid carbon intensity is about 39 gCO₂/kWh, with 97.7% low-carbon generation (<a href="https://ember-energy.org/" rel="nofollow">Ember</a> / <a href="https://ourworldindata.org/energy" rel="nofollow">Our World in Data</a> (CC BY 4.0)).